Milwaukee 2880-20 Grinder Review
Our verdict
The Milwaukee 2880-20 is the top-demand angle grinder in this category, rated 4.8 stars from 2,400 reviews with 1,000 units sold last month at $149.99. Running at 800 watts and 8500 RPM on an 18-volt battery platform, it delivers a proven combination of cordless power and field-tested reliability.
Check price on AmazonBest for
Tradespeople and serious DIYers who want a proven, high-demand 18V cordless grinder backed by extensive owner feedback
Skip if
You already own a different battery platform and do not want to invest in Milwaukee M18 batteries
- Power Source Battery Powered
- Voltage 18 Volts
- Speed 8500 RPM
- Motor 800 watts
- Weight 79.82 Ounces
- Dimensions 13"L x 8.5"W x 3.5"H
- Priced 52% above the category median ($98.50 across 92 tracked models)
Our scorecard
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Owner rating4.8/5
4.8 average across 2,400 owner ratings
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Popularity4.5/5
2,400 owner reviews, more than most models here
The overall score is owner satisfaction weighted by how many reviews back it, so a high rating from few reviews counts for less. The bars below show where this model stands against the other power tools and workshop machinery we track in this category on price, popularity and size. Context, not marks against it, and our read of the data, not a lab test.
Overview
The Milwaukee 2880-20 leads this category in both sales volume and review count. With 2,400 owner reviews averaging 4.8 stars and 1,000 units purchased last month, the demand and satisfaction data place this grinder well ahead of its competitors in the batch. At $149.99 it sits at a premium price that owners clearly find justified.
On paper the 2880-20 runs at 800 watts and 8500 RPM from an 18-volt battery source. The unit weighs 79.82 ounces, approximately five pounds, which is typical for a full-size 18V cordless grinder with an integrated battery. Milwaukee's M18 platform is one of the widest in the industry, meaning most tradesperson toolboxes already include compatible batteries.
Based on specs and verified owner reviews, the 4.8-star rating is not a statistical outlier driven by a few reviews but reflects consistent satisfaction across a large sample. This is the pick most grounded in real market proof across the entire batch.
Pros
- 2,400 owner reviews at 4.8 stars is the strongest quality signal in this batch
- 1,000 units sold last month confirms active, high-demand market presence
- 800-watt motor on the 18V M18 platform delivers sustained cordless grinding power
- 8500 RPM no-load speed suited for grinding, cutting and surface prep
- $149.99 price competitive for a full-size 18V grinder with this review volume
Cons
- 79.82-ounce weight (about 5 lbs) is heavier than compact cordless alternatives
- Requires Milwaukee M18 battery, adding cost for users not already on the platform
- 8500 RPM is lower than some corded or compact 12V competitors in this batch
Specifications
| Power Source | Battery Powered |
|---|---|
| Voltage | 18 Volts |
| Speed | 8500 RPM |
| Motor | 800 watts |
| Weight | 79.82 Ounces |
| Dimensions | 13"L x 8.5"W x 3.5"H |
Performance notes
At 800 watts and 8500 RPM on an 18-volt battery, the Milwaukee 2880-20 handles cutting, grinding and surface work on metal and masonry. The 79.82-ounce build weight contributes stability under load. Cordless design on the M18 platform means freedom of movement on job sites without power outlets nearby.
What buyers say
Owners across 2,400 reviews consistently cite the 2880-20 for reliability, power delivery on the M18 platform and overall build quality. The most common feedback relates to performance on demanding grinding tasks. Some note the weight relative to smaller cordless alternatives.
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Frequently asked questions
Does the Milwaukee 2880-20 come with a battery and charger?
The 2880-20 designation is Milwaukee's bare-tool SKU. A compatible M18 battery and charger are sold separately. If you need a kit with battery included, look for a Milwaukee M18 grinder kit SKU.
What is the disc size for the Milwaukee 2880-20?
Disc diameter is not specified in the published product data. Milwaukee's 2880-20 is part of the M18 FUEL grinder lineup which typically uses 4.5-inch to 5-inch discs. Confirm in the Milwaukee official documentation before ordering accessories.
Need help comparing the Milwaukee 2880-20 to another model?
Reach the ToolGalaxy research team at hello@toolgalaxy.com for a side-by-side breakdown.